Process for the manufacture of nuclear-sulphonated compounds
US3957860A · kind A · utility
2Cited by
0References
16Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 17, 1974 |
| Grant date | May 18, 1976 |
| Priority date | — |
| Expiry date | Jun 17, 1994 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09B1/24
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
This invention relates to a process for the manufacture sulphonated compounds. Aromatically unsaturated amines are reacted with sulphamic acid or its derivatives at temperatures between 20.degree. and 250.degree.C in the presence of an aprotic solvent and a catalyst.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.